JP3409254B2 - Green onion peeling equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for peeling green onions, and more particularly, to an apparatus for peeling green onions and unnecessary leaves efficiently. About. 2. Description of the Related Art A conventional onion peeling apparatus is disclosed, for example, in Japanese Patent No. 2926231. This is achieved by placing two stem transport endless belts on one side edge of a horizontally installed leaf transport endless belt with a space between the two belts and placing them flush with each other. The leaf pressing endless belt is placed in contact with the upper surface of the portion corresponding to the space of the side edge, and the side edge upper surface of one of the two stem transport endless belts opposite to the one edge of the leaf transport endless belt. The stem-holding endless belt is in contact with the stem-side endless belt, and the stem-holding roller is in contact with the upper side of the other side of the leaf-conveying endless belt opposite to one side edge of the leaf-conveying endless belt. Unnecessary leaf reversal nozzle is installed above the part corresponding to the installation position of the stem holding endless belt of the part transport endless belt, with its pressure liquid injection port facing the direction of the stem holding endless belt, and the leaf is placed in the empty space. Two rows of peeling nozzles above and below the height of the upper surface of the transport endless belt Along the one side edge, and the pressure liquid injection port is juxtaposed outwardly from the one side edge, a root cutting rotary cutter is provided near and outside the stalk pressing roller, and each endless belt, stalk Driving means for the holding roller and the root cutter, a pressure liquid supply source to each nozzle, a pipeline system connecting the pressure liquid supply source to each nozzle, a collection means for ejecting pressure liquid and debris, and a driving means And control means for controlling the pressure liquid supply source. However, in this case, while the leaves are held by the endless belt for transporting the leaf portion, the pressure liquid is ejected from the unnecessary leaf reversing nozzle from above the endless belt for transporting the leaf portion. There is a problem in that the pressure liquid is not ejected to the lower side of the leaf part, so that unnecessary leaves cannot be sufficiently removed. Further, Japanese Patent No. 2909581 discloses a device for removing unnecessary parts of onion. this is,
A first mechanism for placing and moving the onion; a first clamping belt for clamping an intermediate portion of the onion; and a second clamping belt for partially overlapping the first clamping belt and clamping the root of the onion. An ejection mechanism for ejecting compressed air from a root portion toward a leaf portion in the second holding belt portion, and the second holding belt portion moves away from the second holding belt portion toward the downstream side and has an end at the second holding belt portion. It has a round belt which is raised sequentially so as to be at the same height as the section. However, in this case, when the compressed air is blown from the root of the onion toward the leaves, the leaves of the onions are hung down, and the leaves of the onions are unstable. Therefore, there is a possibility that the leaves may be bent, and it is configured to correct the drooping of the leaves. However, even with this configuration, there is a problem that bending of the leaves cannot be prevented. Japanese Patent Application Laid-Open No. Hei 10-295349 describes an apparatus for automatically removing husks of green onions and unnecessary leaves. This is a removal device that automatically peels off and removes the sludge outer skin and unnecessary leaves of green onions, etc., which grips and transports the green onions that have been transported almost horizontally to the next process side. Conveyor, a first pressure medium ejection section for ejecting a pressure medium to the white root of the onion being transported to peel off the sludge skin of the white root, and a base end of the white root connected to the leaf sandwiching and conveying conveyor. A second method for removing unnecessary leaves and deposits by ejecting a pressure medium to the leaves of the green onion sandwiched and conveyed to the next process side while nipping and holding the green onions sandwiched by the leaf sandwiching and conveying conveyor.
And a pressure medium ejection section. However, in this case, when the pressure medium is ejected to the leaves of green onions, since the leaves are held by the leaf holding conveyor, the pressure medium does not sufficiently reach the leaves. there were. Japanese Patent Application Laid-Open No. H11-225727 discloses an apparatus for automatically removing sludge husks of green onions and unnecessary leaves. This means that the onion sludge hull is used to automatically load the onions into the conveyor, remove the sludge husk, unnecessary leaves, dead leaves, etc. from the white roots and automatically produce valuable green onions. An automatic leaf removing device, which is formed so as to abut on a base end of a white root portion of a loaded green onion to determine a loading posture and to move a position of a base end of the white root portion according to a length of the green onion. A root aligning mechanism, a leaf sandwiching conveyor that forms a sandwiching surface at the same level as the loading location of the onion conveyor, and is arranged and moved partially overlapping with the import conveyor, and a leaf sandwiching conveyor. A pressure medium blowing unit that removes sludge skin by injecting a pressure medium into the white roots of green onions that are moving while holding the leaves, and a white root part from which the sludge skin is removed by injection of the pressure medium. Together with the leaves, and inject the pressure medium into the leaves to prevent A leek holding and blowing mechanism for removing leaves and the like, and a delivery mechanism interposed between the leek holding and blowing mechanism and the leaf sandwiching conveyor to hold and deliver the leek. . However, even in this case, when the pressure medium is jetted to the leaves, there is a problem that the pressure medium does not sufficiently reach the leaves because the leaves are held by the leaf holding conveyor. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has been made in consideration of the above-mentioned problems. That can stably hold the leaves and prevent the bends of the leaves of green onions, and that the entire leaves are sufficiently exposed to the air for removing unnecessary leaves to remove unnecessary leaves well. Another object of the present invention is to provide a peeling apparatus for green onions, which can be peeled well by applying high-pressure water with a high-pressure uniform fan-shaped nozzle. [0009] In order to solve the above-mentioned problems, an invention according to claim 1 is an endless endless belt that is horizontally installed and conveys while holding the leaves of green onions. When,
A pair of upper and lower root conveying endless belts arranged on one side edge of the leaf conveying endless belt and conveying while holding down the roots of green onions, and disposed in a space on the leaf side of the pair of upper and lower root conveying endless belts And two rows of round belts arranged obliquely upward toward the downstream side, and unnecessary leaves provided at substantially an intermediate position in the flow direction of the lower root endless endless belt toward the two rows of round belts. An air outlet for blowing off, a guide plate disposed in front of the air outlet for blowing off unnecessary leaves, on which a leaf portion of green onions is placed, and which guides air toward the leaf portion, and a stem of the endless belt for transporting the leaf portion. disposed above and below the cavity portion of the parts side, and a plurality of peeling the nozzle for injecting the pressure fluid from the upper and lower toward the root of the leek acids, the peeling nozzle, the nozzle opening
Equal pressure liquid is concentrated in a fan shape with an acute radiation angle toward the front
And it is designed to be sprayed with a thin width
In order for the pressure water to be gradually sprayed from the stem side of the green onions toward the roots, a plurality of the green onions are arranged in a position gradually approaching the root transport endless belt toward the downstream side in the transport direction of the green onions. />. An embodiment of a green onion peeling apparatus according to the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing an onion peeling apparatus according to an embodiment of the present invention, FIG. 2 is a plan view of the onion peeling apparatus according to the embodiment, and FIG. 3 is a main body of the onion peeling apparatus according to the embodiment. FIG. 4 shows a main part of the onion peeling apparatus of the embodiment, (a) is a partial perspective view, and (b) is a schematic plan view when the leaves are peeled. Fig. 5 shows a peeling nozzle in the green onion peeling apparatus of the embodiment,
Is a perspective view showing an arrangement state of the plurality of peeling nozzles,
(B) is a front view showing the attached state of the peeling nozzle alone, (c) is a perspective view of the peeling nozzle alone, and (d) is a sectional view of the peeling nozzle alone. As shown in FIGS. 1, 2, 3 and 4, the onion peeling apparatus according to the present embodiment comprises a supply conveyor 2 for supplying green onions N toward the apparatus body 1. , A pair of upper and lower leaf transport endless belts 3 for transporting while holding the leaves H of the green onions N supplied from the supply conveyor 2
A, 3B, and green onions N arranged above and below the vacant portion 4 on the stem side of the leaf-conveying endless belts 3A, 3B.
A plurality of peeling nozzles 5 for spraying the liquid in a fan shape from the stem K to the root R uniformly at a high pressure, and the onions N arranged on one side edge of the leaf-carrying endless belts 3A, 3B And a pair of upper and lower root transport endless belts 6A and 6B for transporting while holding the root R, and a pair of upper and lower root transport endless belts 6A and 6B are disposed in the vacant portion 7 on the leaf side and obliquely upward toward the downstream side. Two rows of rubber round belts 8A, 8B arranged upward, and a length of the belt 6A at a substantially intermediate position in the flow direction of the lower root endless endless belt 6B toward the two rows of round belts 8A, 8B. An air outlet 9 for blowing out unnecessary leaves provided in the shape of a long hole extending in the direction, and a leaf portion H of green onions N placed on the front side of the air blowing port 9 for blowing out unnecessary leaves, and air is supplied to the leaf portion H Guy to guide you to A plate 10, two rows of round belts 8A, 8
And a discharge conveyor 11 for receiving the onion N after peeling from B and delivering it to the discharge side. [0012] The peeling nozzle 5 is shown in FIG.
(C) As shown in (d), a concave groove 52 having a U-shaped cross section from one edge to the other edge is formed in the injection-port-side end face 51, and the concave having the U-shaped cross section is formed. The groove 52 is formed horizontally in a central nozzle port portion 53 made of ceramic and a metal portion 54 around the central nozzle port portion 53. The liquid A is diffused and ejected. The radiation angle (center angle of the sector) is not particularly limited as long as it is an acute angle, but is preferably about 30 degrees in order to reliably and efficiently remove the outer skin. Further, as shown in FIG. 5A, a plurality of peeling nozzles 5 are provided toward the downstream side so that the pressure liquid is gradually sprayed from the stem K side of the green onions N toward the root R. Each endless endless belt 6 at the root of the empty space 4
A and 6B are arranged at positions closer to each other. Reference numeral 20 in the drawing denotes a cleaning guide plate that guides the flow of the pressure liquid ejected from the peeling nozzle 5 with the root R of the green onion N sandwiched vertically, and the cleaning guide plate 20 is a peeling nozzle. 5 is provided over the portion from the upstream end to the downstream end where the 5 is disposed. By providing the cleaning guide plate 20 in this manner, the height of the root portion R of the green onions N is kept substantially constant, and the flow direction of the pressure liquid injected from the peeling nozzle 5 is appropriately adjusted. Therefore, it is possible to reliably wash the roots R of all the green onions N. If the pressure liquid is not good, the cleaning guide plate 2
What is necessary is just to change 0. The peeling nozzle 5 is shown in FIG.
As shown in the figure, the base side is formed in the screw portion 55 so as to be attached to the pipe 12 of the pressure liquid A, and the injection port side end surface 51 of the tip portion 57 extended to the nut-shaped flange portion 56 is provided.
Is provided with a nozzle port portion 53. On the other hand, as shown in FIG. 4 (a), the guide plate 10 is slightly upwardly curved from just below the air blowing port 9 for blowing off unnecessary leaves and extends so as to be positioned above the round belts 8A and 8B. ing. As shown in FIG. 4B, the guide plate 10 is provided with a width from the upstream end position in the flow direction of the round belts 8A and 8B to a substantially intermediate position. The leaves H of the green onions N transported by the root transport endless belts 6A and 6B are supported from below. In FIG. 4 (b), the guide plate 10 is indicated by a dashed line in order to make it easy to understand the planar positional relationship between the guide plate 10 and the round belts 8A and 8B.
The above-mentioned feeding conveyor 2 and the endless transporting endless belt 3
A, 3B, root conveying endless belts 6A, 6B, round belt 8
A, 8B, and the discharge conveyor 11 may be configured to be rotationally driven via a pulley, a V-belt, or the like by driving a drive motor (not shown). In the onion peeling apparatus of this embodiment, when the green onions N supplied from the supply conveyor 2 are transported by the leaf transport endless belts 3A and 3B, the green onions N are ejected from the plurality of peeling nozzles 5. The pressure liquid is gradually sprayed from the stem K side of the green onions N toward the root R, and the outer skin is peeled off from the boundary portion between the stem K and the root R. Next, while the root K of the green onion N is being conveyed while being sandwiched between the root conveying endless belts 6A and 6B, first, the leaves H
Unnecessary leaves are removed from the stem K side toward the tip side by the air blown out from the unnecessary leaf blowing air outlet 9 in a state where the unnecessary leaves are held substantially horizontally by the guide plate 10, and then the root portion is transported endlessly. By transport by the belts 6A and 6B, the leaves H are transported to the upper surface of the discharge conveyor 11 while being held by the two rows of round belts 8A and 8B. Finally, the sheet is further transported while being placed on the discharge conveyor 11, bundled, and shipped as a product. As described above, the pressure liquid ejected from the plurality of peeling nozzles 5 gradually ejects the pressure liquid from the stem K side of the green onions N toward the root R, and the stem K and the root R
Since the outer skin is peeled off from the boundary portion with the outer skin, the outer skin can be reliably and satisfactorily peeled. Here, the peeling nozzle 5 is formed with a U-shaped cross-sectional groove 52 extending from one edge to the other edge on the injection port side end face 51,
The concave groove 52 having a U-shaped cross section is formed horizontally in a central nozzle port portion 53 made of ceramic and a metal portion 54 around the central nozzle port portion 53, and has a central angle of an acute angle forward from the nozzle port portion 53. Since the uniform pressure liquid A is sprayed in a fan shape in a concentrated and thin width, the stem portion K of the green onions N
The spray liquid can be sprayed from the side toward the root R toward all the onions N, and the nozzle 5 is arranged so that all of the outer skin is evenly exposed to high-pressure water. Can be. Further, while the leaf portion H is held by the guide plate 10, the unnecessary leaf is blown out from the unnecessary leaf blowing air outlet 9 and guided by the guide plate 10 toward the leaf portion H. Since it is made to peel off from the K side to the tip side, air can be blown to the entire leaf portion H of the green onions N without waste, so that unnecessary leaves can be reliably and properly removed. Can be. The leaves H after the unnecessary leaves have been removed are two rows of round belts 8A, 8A.
Since the leaves are sent while being held in B, the leaves H do not hang down and can be prevented from breaking, and the onion N in a good condition with peeled skin is offered to the market as a product. can do. As described above, according to the first aspect of the present invention, there is provided an endless leaf transport belt which is horizontally installed and transports while holding the leaves of green onions. A pair of upper and lower root transport endless belts arranged on one side edge of the endless belt and transporting while holding down the roots of green onions, and a pair of upper and lower root transport endless belts are disposed in the vacant portion on the leaf side of the endless belt and located on the downstream side And two rows of round belts arranged obliquely upward toward the airbag, and air blowing for unnecessary leaf blowing provided at a substantially intermediate position in the flow direction of the lower root endless endless belt toward the two rows of round belts. A leaf, a guide plate disposed on the front side of the air blowing port for blowing out unnecessary leaves, for placing a leaf portion of green onions and guiding air toward the leaf portion, and an empty space on the stem portion side of the leaf conveying endless belt. Part of A plurality of peeling nozzles that are arranged vertically and inject pressure fluid from above and below toward the roots of green onions, and the peeling nozzle has a radiation angle that is directed forward from a nozzle opening.
Equal pressure liquid is concentrated in a sharp fan shape and sprayed with a thin width
Together is adapted to be, such that the pressure water gradually toward the root portion from the stem side of the leeks compound is injected, by a plurality toward the downstream side in the conveying direction of the leeks class, the root portion conveyor endless
Since it is arranged at a position gradually approaching the belt , the following effects are obtained. That is, while the onions peeled off by the peeling nozzle are held by the guide plate, the air for blowing off unnecessary leaves can be jetted toward the onions, so that the leaves of the onions are stabilized. Can prevent the bend of the leaves of green onions, and can sufficiently blow out the unnecessary leaf blowing air to the entire leaves, so that the unnecessary leaves can be reliably removed. it can. Moreover,
Since the leaves after the unnecessary leaves have been removed can be sent while being held by the two rows of round belts, the leaves can be prevented from hanging down and breaking,
Green onions with peeled and good condition can be provided to the market as commodities. In addition, the spray liquid can be applied to a necessary portion of the green onions without peeling with strong pressure, and the entire outer skin can be reliably peeled off. In addition, it is possible to gradually peel off the hull of the green onions from the stalk side where the hull is easy to peel toward the root with a pressure liquid, and the hull can be efficiently and simply and reliably peeled off.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing an onion peeling apparatus according to an embodiment of the present invention. FIG. 2 is a plan view of the onion peeling apparatus of the embodiment. FIG. 3 is a front view showing a main body of the onion peeling apparatus of the embodiment. FIG. 4 shows a main part of the onion peeling apparatus of the embodiment,
(A) is a partial perspective view, and (b) is a schematic plan view when the leaves are peeled. FIGS. 5A and 5B show a peeling nozzle in the onion peeling apparatus of the embodiment, FIG. 5A is a perspective view showing an arrangement state of a plurality of peeling nozzles, and FIG. 5B is an attached state of the peeling nozzle alone. (C) is a perspective view of the peeling nozzle alone, and (d) is a cross-sectional view of the peeling nozzle alone. DESCRIPTION OF SYMBOLS 3A, 3B Upper and lower pair of leaf conveying endless belts 4 Void portion 5 Peeling nozzle 51 Injection side end surface 52 U-shaped concave groove 53 Ceramic central nozzle port portion 54 Metal around Parts 6A, 6B Upper and lower pair of root endless endless belts 7 Void parts 8A, 8B Two rows of round belts 9 Air outlets for blowing out unnecessary leaves 10 Guide plates N Onions K Stems H Leaves R Roots

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A23N 7/00

Claims (1)

(57) [Claims 1] An endless leaf conveying belt that is horizontally installed and conveys while holding the leaves of green onions, and is disposed at one side edge of the endless conveying belt. A pair of upper and lower root transport endless belts for transporting while holding the roots of onions, and these pair of upper and lower root transport endless belts are disposed in the vacant portion on the leaf side and are disposed obliquely upward toward the downstream side. Two rows of round belts, an air blowing port for blowing off unnecessary leaves provided at a substantially intermediate position in the flow direction of the lower root conveying endless belt toward the two rows of round belts, and an air for blowing off the unnecessary leaves. A guide plate disposed on the front side of the outlet to load the leaves of green onions and guide the air toward the leaves, and disposed above and below the vacant portion on the stem side of the leaf transport endless belt, and Onion roots It comprises a plurality of peeling nozzle for injecting pressure liquid toward, the peeling nozzle discharge from the nozzle opening toward the front
Liquid with uniform pressure concentrated in a fan shape with an acute angle and a thin width
In addition to being sprayed with, pressure water is gradually sprayed from the stalk side of the green onions toward the root,
A plurality of roots are transported toward the downstream side in the transport direction of green onions.
An onion peeling apparatus, which is disposed at a position gradually approaching an endless belt .